On this parts fiche the Coil Comp, Plug Hole is the most specified component.
The lowest price component in this Ignition Coil parts-list fiche is the Nut,hex Cap 6mm.
A sample from the products for the Ignition Coil include: Nut,hex Cap 6mm, Coil Comp,plug Ho, Plug Hole Seal, Coil Comp, Plug Hole.